<!DOCTYPE html>
<html>

<head>
  <meta charset="UTF-8" />
  <title></title>
  <link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css" rel="stylesheet" />
</head>

<body>
  <div ng-app="essa">
    <div class="container">
      <essa-row>
        <essa-col xs="3">123</essa-col>
      </essa-row>
    </div>
  </div>
  <script src="https://cdn.staticfile.org/angular.js/1.2.28/angular.min.js"></script>
  <script>
    angular.module("essa", []);
  </script>
  <script src="../dist/Essa/Row/Row.js"></script>
  <script src="../dist/Essa/Col/Col.js"></script>
</body>

</html>